Rises at 5:12 AM with 17:46 of sunlight, then sets at 10:58 PM
Rises at 3:40 AM with 17:25 of moolight, then sets at 9:05 PM
Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.